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प्रश्न
Provide the stock notation for the following compound:
Fe2O3
उत्तर
+3 –2
\[\ce{Fe2O3->Fe2(III)O3}\]
APPEARS IN
संबंधित प्रश्न
Choose the correct option.
Oxidation numbers of Cl atoms marked as Cla and Clb in CaOCl2 (bleaching powder) are
\[\begin{array}{cc} \ce{Cl^{{a}}}\phantom{.} \\/\phantom{...} \\ \ce{Ca}\phantom{......} \\ \backslash\phantom{..} \\\phantom{........} \ce{O-Cl^{{b}}}\phantom{.} \end{array}\]
In which reaction does nitrogen exhibit variation of oxidation state from –3 to +5?
Calculate the oxidation number of the underlined atom.
Cr2O72−
Justify that the following reaction is redox reaction; identify the species oxidized/reduced, which acts as an oxidant and which acts as a reductant.
\[\ce{I2_{(aq)} + 2S2O^{2-}_{3(aq)}->S4O^{2-}_{6(aq)} + 2I^-_{ (aq)}}\]
Justify that the following reaction is redox reaction; identify the species oxidized/reduced, which acts as an oxidant and which acts as a reductant.
\[\ce{HF_{(aq)} + {OH}^-_{ (aq)}->H2O_{(l)} + {F}^ -_{ (aq)}}\]
Identify the following pair of species is in its oxidized state?
\[\ce{O2/O^2-}\]
Justify the following reaction as a redox reaction.
\[\ce{2Na_{(s)} + S_{(s)}->Na2S_{(s)}}\]
Find out the oxidizing and reducing agents.
Provide the stock notation for the following compound:
Tl2O
Assign oxidation number atom in the following species.
Na2S2O3
Oxidation state of Xe in XeOF4 is ____________.
The oxidation number of oxygen in peroxides is ____________.
What is the oxidation number of As in H3AsO3?
Which of the following is CORRECT?
\[\ce{H3PO4_{(aq)} + 3KOH_{(aq)} -> K3PO4_{(aq)} + 3H2O_{(l)}}\]
In the complex [Co(en)3]Cl3, ____________.
The oxidation number of sulphur in S8 molecule is ______.
Match the following.
| Compound | Oxidation no. of underlined element |
| i. \[\ce{\underline{C}_4H4O^{2-}_6}\] | a. +2.5 |
| ii. \[\ce{\underline{N}_3H}\] | b. +1.5 |
| iii. \[\ce{Mg2\underline{P}_2O7}\] | c. +5 |
| iv. \[\ce{Na2\underline{S}_4O6}\] | d. `-1//3` |
In which of the following, oxidation number of oxygen is +2?
Which of the following is INCORRECT?
The sum of oxidation states of all atoms in \[\ce{Cr2O^{2-}_7}\] ion is ______.
The sum of oxidation number of all atoms in \[\ce{SnO^{2-}_3}\] ion is _______.
Which among the following pair of elements show highest oxidation state +7 in their different compounds?
Carbon is present in highest oxidation number in ______.
What is the oxidation state of chlorine atom in perchloric acid?
The brown ring complex is formulated as [Fe(H2O)5NO]SO4. The oxidation number of iron is ______.
The oxidation number of oxygen in oxygen difluoride (OF2) and dioxygen difluoride (O2F2) respectively is ______.
